Apple MacBook Pro Retina 15 Late 2013 Notebook Review
Intel Core i7-4850HQ | NVIDIA GeForce GT 750M | 15.40" | 2 kg
The Intel Core i7-4850HQ is a high-end quad-core processor for laptops launched in Q2 2013. It is based on the Haswell architecture and manufactured in 22nm. Due to Hyperthreading, the four cores can handle up to eight threads in parallel leading to better utilization of the CPU. Each core offers a base speed of 2.3 GHz but can dynamically increase clock rates with Turbo Boost up to 3.3 GHz (for 4 active cores), 3.4 GHz (for 2 active cores) and 3.5 GHz (for 1 active core). A noteworthy feature is the fast integrated graphics unit (GT3e) with eDRAM memory (128 MB, 77 mm², on-package, 102 GB/s).
Haswell is the successor to the Ivy Bridge architecture with improvements on both GPU and CPU performance. The CPUs are produced in 22nm and offer an optimized branch prediction as well as additional execution ports, improving the performance per clock by 5 - 10 percent. Furthermore, new features like AVX2 and FMA should increase the performance in future applications.
Compared to the Core i7-4750HQ, the 4850HQ is clocked 300 MHz higher and therefore somewhat faster. Overall, the 4850HQ matches the slightly higher clocked i7-3740QM. Even extremly demanding software or multitasking will be handled easily.
The integrated Iris Pro Graphics 5200 GPU offers 40 Execution Units (EUs) clocked at 200 - 1200 MHz (with Turbo Boost), making it significantly faster than the HD 4000 or HD 4600. The additional eDRAM memory further improves performance. As a result, the HD 5200 competes with dedicated mid-range graphics cards, e.g. the GeForce GT 740M.
The i7-4850HQ is rated at a TDP of 47 W including the integrated graphics card, memory controller and VRMs. Therefore, the CPU is best suited for laptops 15-inches or greater.
|Series||Intel Core i7|
Series: Core i7 Haswell
|Clock Rate||2300 - 3500 MHz|
|Level 1 Cache||256 KB|
|Level 2 Cache||1 MB|
|Level 3 Cache||6 MB|
|Number of Cores / Threads||4 / 8|
|Power Consumption (TDP = Thermal Design Power)||47 Watt|
|Transistor Count||1700 Million|
|Manufacturing Technology||22 nm|
|Die Size||260 mm2|
|Max. Temperature||100 °C|
|Features||Iris Pro Graphics 5200 (200 - 1200 MHz), DDR3(L)-1600 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, vPro, AES-NI|
|GPU||Intel Iris Pro Graphics 5200 (200 - 1200 MHz)|
|64 Bit||64 Bit support|
|Starting Price||$468 U.S.|
|Product Link (external)||Intel Core i7 4850HQ|
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Apple MacBook Pro Retina 15 inch 2013-10: NVIDIA GeForce GT 750M, 15.40", 2 kg
External Review » Apple MacBook Pro Retina 15 inch 2013-10